
Image: Numbuzin
Numbuzin
No.5+ Glutathione Vitamin Concentrated Serum
A serum built around Niacinamide and Panthenol, for hydration and barrier repair.
Brand price
USD 26.00 · checked 26 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Dry skin
- Oily skin
- Combination skin
- Sensitive skin
- Acne & blemishes
- Dark spots & pigmentation
- Dullness
What's inside
Ingredients List
5 trigger at least one check · 42 trigger none
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Key Ingredients
Vitamin C derivative (stable)2
Stable derivatives of ascorbic acid.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Vitamin C3
Vitamin C in any form: an antioxidant and brightener.
Benefits
Hydrating13
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Panthenol, Saccharum Officinarum Extract, Sodium Hyaluronate, Sorbitol, Tocopherol, Tremella Fuciformis Extract
Barrier Repair11
Strengthens and restores the skin's natural barrier.
Allantoin, Behenyl Alcohol, Bifida Ferment Lysate, Butyrospermum Parkii Butter, Caprylic/Capric Triglyceride, Ceramide NP, Glycerin, Neopentyl Glycol Dicaprate, Niacinamide, Panthenol, Tocopherol
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Beta-Glucan, Bisabolol, Dipotassium Glycyrrhizate, Panthenol
Redness Reducing4
Soothes visible redness and calms irritation.
Smoothing4
Refines rough or uneven texture.
Allantoin, Behenyl Alcohol, Neopentyl Glycol Dicaprate, Niacinamide
Brightening8
Restores radiance to dull, tired skin.
3-O-Ethyl Ascorbic Acid, Alpha-Arbutin, Ascorbic Acid, Ascorbyl Glucoside, Dipotassium Glycyrrhizate, Glutathione, Niacinamide, Tranexamic Acid
Dark Spots6
Fades dark spots for a more even tone.
3-O-Ethyl Ascorbic Acid, Alpha-Arbutin, Ascorbic Acid, Ascorbyl Glucoside, Niacinamide, Tranexamic Acid
Even Tone4
Evens out patchy or uneven colour.
Antioxidant9
Shields skin from free radical damage.
3-O-Ethyl Ascorbic Acid, Alpha-Arbutin, Ascorbic Acid, Ascorbyl Glucoside, Thioctic Acid, Tocopherol, Tocopheryl Acetate, Ubiquinone, Vaccinium Vitis-Idaea Fruit Extract
Anti-Pollution10
Helps defend against airborne pollutants.
Allantoin, Alpha-Arbutin, Ascorbic Acid, Ascorbyl Glucoside, Glycerin, Thioctic Acid, Tocopherol, Tocopheryl Acetate, Ubiquinone, Vaccinium Vitis-Idaea Fruit Extract
Concerns
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Behenyl Alcohol, Butyrospermum Parkii Butter, Ceramide NP, Hydrogenated Lecithin
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Tranexamic Acid
Astringent, Skin Conditioning
Tranexamic Acid is tranexamic acid.
Learn more about Tranexamic Acid →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Neopentyl Glycol Dicaprate
Skin Conditioning, Emollient
2,2-Dimethyl-1,3-propanediyl didecanoate
Learn more about Neopentyl Glycol Dicaprate →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →Sorbitol
Fragrance, Humectant, Perfuming, Skin Conditioning
Sorbitol is the hexahydric alcohol that conforms to the formula
Learn more about Sorbitol →Vaccinium Vitis-Idaea Fruit Extract
Antioxidant
Vaccinium Vitis-Idaea Fruit Extract is an extract of the fruit of the Cowberry, Vaccinium vitis-idaea L., Ericaceae
Learn more about Vaccinium Vitis-Idaea Fruit Extract →
Dupes
- K-Secret Seoul 1988 Glow Serum: Niacinamide 15% + Yuja77% match
- Goodal Green Tangerine Vita C Dark Spot Care Serum Alpha77% match
- Dr.Althea Vitamin C Boosting Serum75% match
- Goodal Green Tangerine Vita C E TXA Serum73% match
- Nature Republic Vitapair C PDRN Radiance Serum73% match
- Wellage Hyper Toning Glowy Ampoule72% match